"Peek and hide" in the closet when you share a hotel room with your stepmom who is getting ready for her first anal

My stepmom and I booked a hotel in Portugal for our "family" holiday. My father's plane was canceled and he had to stay for a couple of days in Paris before joining us. The hotel was good but quite dated. We had a suite with two rooms and an adjoining door. At some point, I was so horny that I decided to go through her underwear but suddenly she came back. So I had to hide in a closet ... Apparently, she was talking to her friend on the phone about trying anal for a first time. She even got everything with her to prep her hole. Eventually, I got caught and ...